When Georg Weber took a sip of a Bordeaux premier grand cru classé one evening in the late 1990s, he had a change of heart—or rather, a change of career paths. As a student studying business management, Weber decided he wanted his business to be making wines, and not just any wines—ones that would live up to the standards of the Bordeaux, Burgundys, Syrahs, and Grenaches that had so deeply impacted him. When Weber finally stumbled across a plot of land near the sea in the small Tuscan region of Maremma in 2003…